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Tochigi, JP
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last 30 patents
Information
Patent Grant
Rotary compressor
Patent number
6,270,329
Issue date
Aug 7, 2001
Hiatchi, Ltd.
Kenichi Oshima
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Compressor with self-aligning rotational bearing
Patent number
5,580,233
Issue date
Dec 3, 1996
Hitachi, Ltd.
Tatuya Wakana
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Closed type motor-driven compressor, a scroll compressor and a scro...
Patent number
5,304,045
Issue date
Apr 19, 1994
Hitachi, Ltd.
Nobutoshi Hoshino
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...